The cooling device includes an applicator, which is the component used to apply cooling and warming to the treatment site, and the control unit which houses the system controller, power source, and other hardware. Each applicator is comprised of at least two thermoelectric coolers with an aluminum plate which is the primary skin interface for cooling and warming. The thermoelectric cooler is controlled and powered by a thermoelectric cooler controller is part of the control system. The device allows a well-controlled temperature to be applied to and maintained at the surface of the treatment area.